Natural gas

Natural gas is a gaseous fossil fuel consisting primarily of methane but including significant quantities of ethane, propane, butane, and pentane—heavier hydrocarbons removed ...

natural gas

Fire safety; Prevention & protection

A gaseous fuel occurring in nature and consisting mostly of a mixture of organic compounds, normally methane, ethane, propane, and butane. The calorific value of natural gases ...

natural gas

Energy; Energy trade

Naturally occurring gas, predominantly methane, but usually containing some proportions of ethane, propane and butane. Natural gas can be either associated gas or non-associated.

natural gas

Physics; Thermodynamics

Found in gas wells or oil wells, natural gas is composed mainly of methane and small amounts of ethane, propane, hydrogen, helium, carbon dioxide, nitrogen, hydrogen sulfate, and ...

centrifuge

Chemistry; General chemistry

Equipment used to separate substances based on density by rotating the tubes around a centred axis.

cell potential

Chemistry; General chemistry

The force in a galvanic cell that pulls electron through reducing agent to oxidizing agent.

conductor

Chemistry; General chemistry

Material that allows electric flow more freely.

cuvette

Chemistry; General chemistry

Glassware used in spectroscopic experiments. It is usually made of plastic, glass or quartz and should be as clean and clear as possible.

deionization

Chemistry; General chemistry

The removal of ions, and in water's case mineral ions such as sodium, iron and calcium.

deliquescence

Chemistry; General chemistry

Substances that absorb water from the atmosphere to form liquid solutions.

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Cy Twombly

Cy Twombly, also known by his birth name Edwin Parker Twombly Jr., was an American artist, best known for his graffiti-style paintings. Born on April ...